colour.xy_to_XYZ¶
-
colour.
xy_to_XYZ
(xy)[source]¶ Returns the CIE XYZ tristimulus values from given CIE xy chromaticity coordinates.
- Parameters
xy (array_like) – CIE xy chromaticity coordinates.
- Returns
CIE XYZ tristimulus values.
- Return type
ndarray
Notes
Domain
Scale - Reference
Scale - 1
xy
[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
XYZ
[0, 1]
[0, 1]
References
Examples
>>> xy = np.array([0.54369557, 0.32107944]) >>> xy_to_XYZ(xy) array([ 1.6933366..., 1. , 0.4211574...])